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Enhanced Debye level in nano Zn1+xSb, FeSb2, and NiSb: Nuclear inelastic spectroscopy on121 Sb
Claudio, T.; Bessas, D.; Birke, C. S. et al.
2014In Physica Status Solidi B. Basic Research, 251 (5), p. 919-923
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Keywords :
Antimonides; Density of phonon states; Nanoparticles; Nuclear inelastic scattering
Abstract :
[en] The121 Sb partial density of phonon states (DPS) in nanopowder antimonides were obtained with nuclear inelastic scattering on Zn1+xSb, FeSb2, and NiSb prepared by a wet chemistry route. The DPS is compared with the bulk counterpart. An increase of the Debye level indicative of a decrease of the isothermal speed of sound is systematically observed. This observation reveals that the decrease in speed of sound observed in nanostructured thermoelectric materials is not restricted to sintered nanocomposites. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Disciplines :
Physics
Author, co-author :
Claudio, T.;  Jülich Centre for Neutron Science JCNS, Peter Grünberg Institut PGI, JARA-FIT, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany, Faculté des Sciences, Université de Liège, 4000 Liège, Belgium
Bessas, D.;  Jülich Centre for Neutron Science JCNS, Peter Grünberg Institut PGI, JARA-FIT, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany, Faculté des Sciences, Université de Liège, 4000 Liège, Belgium, European Synchrotron Radiation Facility, 38043 Grenoble Cedex, France
Birke, C. S.;  Institut für Anorganische Chemie und Analytische Chemie der Johannes Gutenberg-Universität, Duesbergweg 10-14, 55099 Mainz, Germany, Materials Research Laboratory, University of California, Santa Barbara, CA, United States
Kieslich, G.;  Institut für Anorganische Chemie und Analytische Chemie der Johannes Gutenberg-Universität, Duesbergweg 10-14, 55099 Mainz, Germany
Panthöfer, M.;  Institut für Anorganische Chemie und Analytische Chemie der Johannes Gutenberg-Universität, Duesbergweg 10-14, 55099 Mainz, Germany
Sergueev, I.;  Jülich Centre for Neutron Science JCNS, Peter Grünberg Institut PGI, JARA-FIT, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany, European Synchrotron Radiation Facility, 38043 Grenoble Cedex, France
Tremel, W.;  Institut für Anorganische Chemie und Analytische Chemie der Johannes Gutenberg-Universität, Duesbergweg 10-14, 55099 Mainz, Germany
Hermann, Raphaël ;  Université de Liège > Département de chimie (sciences) > Département de chimie (sciences)
Language :
English
Title :
Enhanced Debye level in nano Zn1+xSb, FeSb2, and NiSb: Nuclear inelastic spectroscopy on121 Sb
Publication date :
2014
Journal title :
Physica Status Solidi B. Basic Research
ISSN :
0370-1972
eISSN :
1521-3951
Publisher :
Wiley-VCH Verlag
Volume :
251
Issue :
5
Pages :
919-923
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 01 June 2015

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